Beautiful and practical， affordable， comfortable fastening， beyond imagination! The advent of a new generation of SM bondage straps turned to use: Open the door or window. On the outside of the hoop， and then close the door or window. Tune both back doors were handcuffed， then you can adjust the tension， you can be on his breasts and genitals sensitive parts provocative mood， so your partner can not escape outside the scope of your flirting， either you act， is not it a cool thing. gap is too large windows as you would wear a stick or other object on the hoop to prevent falls out， the more desirable a.